1. OU's four-receiver package:Kenny Stills, Justin Brown, Jalen Saunders and Sterling Shepard are quickly becoming the Big 12's scariest personnel grouping. It's impossible to double cover all four receivers and they each have proven they can make plays against one-on-one coverage. Defenses simply don't have an answer for the formation and Landry Jones has been stellar at finding the correct mismatch and taking advantage of it.